diff --git a/Gemfile b/Gemfile
index eb977a6..99d9c5f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 
 ruby '2.6.2'
 
-gem 'activesupport', '5.2.3', require: 'active_support/all'
+gem 'activesupport', '6.1.7.1', require: 'active_support/all'
 gem 'eventmachine', '1.2.7'
 gem 'multi_json', '1.13.1'
 gem 'sinatra', '2.0.5'
diff --git a/Gemfile.lock b/Gemfile.lock
index 18f61ac..39c6d29 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,19 +1,20 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.3)
+    activesupport (6.1.7.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
     backports (3.13.0)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.10)
     daemons (1.3.1)
     eventmachine (1.2.7)
     eventmachine (1.2.7-x86-mingw32)
-    i18n (1.6.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    minitest (5.11.3)
+    minitest (5.17.0)
     multi_json (1.13.1)
     mustermann (1.0.3)
     rack (2.0.7)
@@ -36,17 +37,17 @@ GEM
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
-    thread_safe (0.3.6)
     tilt (2.0.9)
-    tzinfo (1.2.5)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.5)
+      concurrent-ruby (~> 1.0)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   ruby
   x86-mingw32
 
 DEPENDENCIES
-  activesupport (= 5.2.3)
+  activesupport (= 6.1.7.1)
   eventmachine (= 1.2.7)
   multi_json (= 1.13.1)
   sinatra (= 2.0.5)